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Vascular endothelial growth factors

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https://read.qxmd.com/read/30785902/liver-metastasis-and-heng-risk-are-prognostic-factors-in-patients-with-non-nephrectomized-synchronous-metastatic-renal-cell-carcinoma-treated-with-systemic-therapy
#1
Sung Han Kim, Jung Kwon Kim, Eun Young Park, Jungnam Joo, Kang Hyun Lee, Ho Kyung Seo, Jae Young Joung, Jinsoo Chung
OBJECTIVE: This study aimed to determine the prognostic factors of progression-free survival (PFS) and overall survival (OS) in non-nephrectomized patients with synchronous metastatic renal cell carcinoma (mRCC) receiving first-line vascular endothelial growth factor (VEGF)-targeted therapy or immunotherapy. METHODS: Of 70 patients, 57 (81.4%) were treated with targeted therapy, including 5 (7.1%) with previous immunotherapy and 13 (18.6%) with immunotherapy only...
2019: PloS One
https://read.qxmd.com/read/30785571/prognostic-factors-for-response-to-chemotherapy-in-advanced-tumors-of-the-uterine-cervix-the-role-of-neoangiogenesis
#2
Cláudio Franco do Amaral Kfouri, Welington Lombardi, Maria Clara Ferreira Nonato Romania, Matheus Lopes Puls, Rodrigo Amaral Martins-Ferreira, Luciana Borges Lombardi, Jurandyr Moreira de Andrade
OBJECTIVE: to analyze the expression of Vascular Endothelial Growth Factor (VEGF), its receptor (VEGFR-2), age and histological type of advanced cervical carcinomas with respect to the clinical response to neoadjuvant chemotherapy. METHODS: we studied 40 patients with cervical carcinoma (IB2 and IVA) diagnosed by biopsies prior to treatment. All patients underwent neoadjuvant chemotherapy and evaluation for clinical response and expression of VEGF. We considered a tumor regression greater than 50% as a good clinical response...
February 18, 2019: Revista do Colégio Brasileiro de Cirurgiões
https://read.qxmd.com/read/30784910/hydrogen-sulfide-enhances-the-effectiveness-of-mesenchymal-stem-cell-therapy-in-rats-with-heart-failure-in-vitro-preconditioning-versus-in-vivo-co-delivery
#3
Maha Abdelmonem, Nancy N Shahin, Laila A Rashed, Hebat Allah A Amin, Ashraf A Shamaa, Amira A Shaheen
Stem cell therapy represents a promising therapeutic avenue for cardiac disorders, including heart failure. Although stem cell transplantation showed encouraging preliminary results, the outcomes of clinical studies are still unsatisfactory. This study aimed to compare the outcomes of two therapeutic approaches, in vivo co-delivery of sodium hydrogen sulfide (NaHS) concomitant with bone marrow-derived mesenchymal stem cell (BMSC) transplantation and in vitro preconditioning of BMSCs with NaHS, both of which are intended to promote the success of stem cell therapy in rats with isoprenaline-induced heart failure...
February 18, 2019: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://read.qxmd.com/read/30784343/mir-185-silencing-promotes-the-progression-of-atherosclerosis-via-targeting-stromal-interaction-molecule-1
#4
Ming Fang, Yanfei Li, Yingbiao Wu, Zhongping Ning, Xuejun Wang, Xinming Li
BACKGROUND: Atherosclerosis (AS) is a major risk factor for cardiovascular disease. microRNAs play a key role in gene regulation in the formation and development of atherosclerotic plaques. Herein, the role and target gene of miR-185 in AS were explored. MATERIALS AND METHODS: Cell viability, migration and invasion were examined by cell counting kit-8 (CCK-8) and transwell assay. The relative luciferase activity was measured by luciferase reporter assay. The levels of miR-185, STIM1, vascular endothelial growth factor (VEGF) and matrix metalloprotein-9 (MMP-9) were evaluated by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and Western blot...
February 20, 2019: Cell Cycle
https://read.qxmd.com/read/30784219/dl-3-n-butylphthalide-promotes-angiogenesis-and-upregulates-sonic-hedgehog-expression-after-cerebral-ischemia-in-rats
#5
Pan-Ting Zhou, Li-Ping Wang, Mei-Jie Qu, Hui Shen, Hao-Ran Zheng, Li-Dong Deng, Yuan-Yuan Ma, Yu-Yang Wang, Yong-Ting Wang, Yao-Hui Tang, Heng-Li Tian, Zhi-Jun Zhang, Guo-Yuan Yang
INTRODUCTION: Dl-3-N-butylphthalide (NBP), a small molecule drug used clinically in the acute phase of ischemic stroke, has been shown to improve functional recovery and promote angiogenesis and collateral vessel circulation after experimental cerebral ischemia. However, the underlying molecular mechanism is unknown. AIMS: To explore the potential molecular mechanism of angiogenesis induced by NBP after cerebral ischemia. RESULTS: NBP treatment attenuated body weight loss, reduced brain infarct volume, and improved neurobehavioral outcomes during focal ischemia compared to the control rats (P < 0...
February 19, 2019: CNS Neuroscience & Therapeutics
https://read.qxmd.com/read/30784209/long-non-coding-rna-malat1-regulates-angiogenesis-following-oxygen-glucose-deprivation-reoxygenation
#6
Chengya Wang, Youyang Qu, Rui Suo, Yulan Zhu
Long non-coding RNAs (lncRNAs) have been identified as playing critical roles in multiple diseases. However, little is known regarding their roles and mechanisms in post-stroke angiogenesis. Our studies focused on deciphering the functional roles and the underlying mechanisms of the lncRNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) in the process of angiogenesis following oxygen-glucose deprivation/reoxygenation (OGD/R). We characterized the up-regulation of MALAT1 expression in the process of angiogenesis after hypoxic injury in vivo and in vitro...
February 19, 2019: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/30784076/snx9-determines-the-surface-levels-of-integrin-%C3%AE-1-in-vascular-endothelial-cells-implication-in-poor-prognosis-of-human-colorectal-cancers-overexpressing-snx9
#7
Kazufumi Tanigawa, Masashi Maekawa, Takeshi Kiyoi, Jun Nakayama, Riko Kitazawa, Sohei Kitazawa, Kentaro Semba, Tomohiko Taguchi, Satoshi Akita, Motohira Yoshida, Kei Ishimaru, Yuji Watanabe, Shigeki Higashiyama
Angiogenesis, the formation of new blood vessels, is involved in a variety of diseases including the tumor growth. In response to various angiogenic stimulations, a number of proteins on the surface of vascular endothelial cells are activated to coordinate cell proliferation, migration, and spreading processes to form new blood vessels. Plasma membrane localization of these angiogenic proteins, which include vascular endothelial growth factor receptors and integrins, are warranted by intracellular membrane trafficking...
February 19, 2019: Journal of Cellular Physiology
https://read.qxmd.com/read/30784065/kcnq1ot1-affects-the-progression-of-diabetic-retinopathy-by-regulating-mir-1470-and-epidermal-growth-factor-receptor
#8
Jun Shao, Xubin Pan, Xiaowen Yin, Guangming Fan, Chengye Tan, Yong Yao, Yu Xin, Chao Sun
Long noncoding RNAs have been reported to play important roles in the pathogenesis of diabetic retinopathy (DR), which has been considered as the most common disease leading to vision loss. However, it is still unclear whether KCNQ1 overlapping transcript 1 (KCNQ1OT1) could affect DR. In this study, regarding quantitative reverse transcription polymerase chain reaction assay, KCNQ1OT1 level was upregulated while microRNA-1470 (miR-1470) was decreased in DR patients and human retinal endothelial cells. High KCNQ1OT1 expression was correlated with DR stage and low visual function...
February 19, 2019: Journal of Cellular Physiology
https://read.qxmd.com/read/30783440/regulation-of-tgf-%C3%AE-1-on-pi3kc3-and-its-role-in-hypertension-induced-vascular-injuries
#9
Qin Zhang, Hu Liu, Jun Yang
The aim of the present study was to investigate the expression and role of transforming growth factor (TGF)-β1/phosphatidylinositol 3-kinase catalytic subunit type 3 (PI3KC3) in the peripheral blood in patients with hypertension. A total of 28 patients with primary hypertension and 20 healthy control subjects were included. Peripheral blood samples were collected. The mRNA and protein expression levels were detected by reverse transcription-quantitative polymerase chain reaction and western blot analysis, respectively...
March 2019: Experimental and Therapeutic Medicine
https://read.qxmd.com/read/30782171/exosome-mediated-targeted-delivery-of-mir-210-for-angiogenic-therapy-after-cerebral-ischemia-in-mice
#10
Huixin Zhang, Jin Wu, Jiahuan Wu, Qi Fan, Jingchao Zhou, Junwen Wu, Sichen Liu, Jie Zang, Jinhai Ye, Ming Xiao, Tian Tian, Jun Gao
BACKGROUND: Accumulating evidence shows that microRNA-210 (miR-210) holds great promise to improve angiogenesis for brain tissue repair after cerebral ischemia. However, safe and efficient delivery of miR-210 via intravenous administration is still a challenge. In the past decade, exosomes have emerged as a novel endogenous delivery system. Here, c(RGDyK) peptide is conjugated to exosomes, and they are loaded with cholesterol-modified miR-210 (RGD-exo:miR-210). RESULTS: In a transient middle cerebral artery occlusion (MCAO) mouse model, the RGD-exo:miR-210 targets the lesion region of the ischemic brain after intravenous administration, resulting in an increase in miR-210 at the site...
February 19, 2019: Journal of Nanobiotechnology
https://read.qxmd.com/read/30782019/rapamycin-attenuates-articular-cartilage-degeneration-by-inhibiting-%C3%AE-catenin-in-a-murine-model-of-osteoarthritis
#11
Long Ma, Yibin Liu, Xin Zhao, Peng Li, Qunhua Jin
To investigate whether systemic injection of rapamycin attenuates articular cartilage degeneration by inhibiting β-catenin in a murine model of osteoarthritis (OA). Ten-week-old male C57BL/6j wild-type (WT) mice and SOST-knockout (SOST-/- ) mice were randomized to a sham group, a vehicle-treated group, and a rapamycin-treated group. Mice in the vehicle-treated group underwent destabilizing of the medial meniscus (DMM) in the right knee, and were then treated with vehicle. Mice in the rapamycin treatment group underwent DMM and were treated with rapamycin...
February 20, 2019: Connective Tissue Research
https://read.qxmd.com/read/30781714/the-functional-implications-of-endothelial-gap-junctions-and-cellular-mechanics-in-vascular-angiogenesis
#12
REVIEW
Takayuki Okamoto, Haruki Usuda, Tetsuya Tanaka, Koichiro Wada, Motomu Shimaoka
Angiogenesis-the sprouting and growth of new blood vessels from the existing vasculature-is an important contributor to tumor development, since it facilitates the supply of oxygen and nutrients to cancer cells. Endothelial cells are critically affected during the angiogenic process as their proliferation, motility, and morphology are modulated by pro-angiogenic and environmental factors associated with tumor tissues and cancer cells. Recent in vivo and in vitro studies have revealed that the gap junctions of endothelial cells also participate in the promotion of angiogenesis...
February 18, 2019: Cancers
https://read.qxmd.com/read/30781674/yifei-tongluo-a-chinese-herbal-formula-suppresses-tumor-growth-and-metastasis-and-exerts-immunomodulatory-effect-in-lewis-lung-carcinoma-mice
#13
Qiuchen Qi, Yanhong Hou, Ang Li, Yueyue Sun, Siying Li, Zhongxi Zhao
This study was aimed to investigate the anti-tumor, anti-metastasis and immunomodulatory effects of Yifei Tongluo (YFTL), a Chinese herbal formula, in Lewis lung carcinoma mice and to explore the underlying mechanisms. LLC cells were inoculated subcutaneously in C57BL/6 mice to establish the Lewis lung carcinoma model. We observed that YFTL effectively inhibited tumor growth and prolonged the overall survival of tumor-bearing mice. Additionally, YFTL treatment resulted in a significantly decreased number of surface lung metastatic lesions compared with the model control group...
February 18, 2019: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://read.qxmd.com/read/30781642/toxicological-evaluation-of-sio%C3%A2-nanoparticles-by-zebrafish-embryo-toxicity-test
#14
Sandra Vranic, Yasuhito Shimada, Sahoko Ichihara, Masayuki Kimata, Wenting Wu, Toshio Tanaka, Sonja Boland, Lang Tran, Gaku Ichihara
As the use of nanoparticles (NPs) is increasing, the potential toxicity and behavior of NPs in living systems need to be better understood. Our goal was to evaluate the developmental toxicity and bio-distribution of two different sizes of fluorescently-labeled SiO₂ NPs, 25 and 115 nm, with neutral surface charge or with different surface functionalization, rendering them positively or negatively charged, in order to predict the effect of NPs in humans. We performed a zebrafish embryo toxicity test (ZFET) by exposing the embryos to SiO₂ NPs starting from six hours post fertilization (hpf)...
February 18, 2019: International Journal of Molecular Sciences
https://read.qxmd.com/read/30781633/anti-proliferation-activity-of-a-decapeptide-from-perinereies-aibuhitensis-toward-human-lung-cancer-h1299-cells
#15
Shuoqi Jiang, Yinglu Jia, Yunping Tang, Die Zheng, Xingbiao Han, Fangmiao Yu, Yan Chen, Fangfang Huang, Zuisu Yang, Guofang Ding
Perinereis aibuhitensis peptide (PAP) is a decapeptide (Ile-Glu-Pro-Gly-Thr-Val-Gly-Met-Met-Phe, IEPGTVGMMF) with anticancer activity that was purified from an enzymatic hydrolysate of Perinereis aibuhitensis . In the present study, the anticancer effect of PAP on H1299 cell proliferation was investigated. Our results showed that PAP promoted apoptosis and inhibited the proliferation of H1299 cells in a time- and dose-dependent manner. When the PAP concentration reached 0.92 mM, more than 95% of treated cells died after 72 h of treatment...
February 18, 2019: Marine Drugs
https://read.qxmd.com/read/30781581/the-contribution-of-homocysteine-metabolism-disruption-to-endothelial-dysfunction-state-of-the-art
#16
REVIEW
Ruben Esse, Madalena Barroso, Isabel Tavares de Almeida, Rita Castro
Homocysteine (Hcy) is a sulfur-containing non-proteinogenic amino acid formed during the metabolism of the essential amino acid methionine. Hcy is considered a risk factor for atherosclerosis and cardiovascular disease (CVD), but the molecular basis of these associations remains elusive. The impairment of endothelial function, a key initial event in the setting of atherosclerosis and CVD, is recurrently observed in hyperhomocysteinemia (HHcy). Various observations may explain the vascular toxicity associated with HHcy...
February 17, 2019: International Journal of Molecular Sciences
https://read.qxmd.com/read/30781507/activation-of-tf-dependent-blood-coagulation-pathway-and-vegf-a-in-patients-with-essential-thrombocythemia
#17
Grażyna Gadomska, Katarzyna Ziołkowska, Joanna Boinska, Jan Filipiak, Danuta Rość
Background and objectives: Recent studies suggest that a vascular endothelial growth factor (VEGF-A) may be involved in the thrombotic process by stimulating the expression of tissue factor in vascular endothelial cells. Tissue factor (TF) can also stimulate the transcription of the gene encoding VEGF-A. The relationship between coagulation and angiogenesis in myeloproliferative neoplasms is not fully understood. The aim of this study was to evaluate the concentration of TF in relation to VEGF-A in the blood of patients with essential thrombocythemia (ET)...
February 16, 2019: Medicina
https://read.qxmd.com/read/30779327/fructose-1-6-bisphosphate-as-a-protective-agent-for-experimental-fat-grafting
#18
Tao Lv, Yunpeng Gu, Jianhai Bi, Ning Kang, Zhigang Yang, Xin Fu, Qian Wang, Li Yan, Xia Liu, Yilin Cao, Ran Xiao
Fat grafting procedures are considered to be a promising regenerative, cell-directed therapy; however, their survival is mainly influenced by ischemia condition. Fructose 1,6-bisphosphate (FBP), as an intermediate in energy metabolism, has the potential to rescue cells and tissues from hypoxic-ischemic circumstances. In the present study, human lipoaspirates were grafted subcutaneously into nude mice followed by a daily intraperitoneal injection of FBP at different doses for 7 days. Next, the grafts were harvested at different time points till 12 weeks postimplantation and were evaluated for cell viability and function, tissue revascularization and inflammatory cell infiltration using histological analysis, whole-mount living tissue imaging, glycerol 3-phosphate dehydrogenase activity assays, and quantitative analysis of gene expression...
February 18, 2019: Stem Cells Translational Medicine
https://read.qxmd.com/read/30778772/the-role-of-angiogenesis-inhibitors-in-the-era-of-immune-checkpoint-inhibitors-and-targeted-therapy-in-metastatic-non-small-cell-lung-cancer
#19
REVIEW
Kirstin Perdrizet, Natasha B Leighl
The treatment of advanced non-small cell lung cancer (NSCLC) has evolved to include targeted therapy, immunotherapy as well as chemotherapy for selected patients in the first-line setting. Angiogenesis inhibitors have been used in combination with chemotherapy in the first-line and maintenance settings providing improved progression-free survival (PFS) and objective response rate (ORR), as well as overall survival (OS) in selected studies. Biologic rationale exists for combining anti-angiogenic agents with immunotherapy and targeted kinase inhibitors (TKIs)...
February 18, 2019: Current Treatment Options in Oncology
https://read.qxmd.com/read/30778123/adipose-tissue-loss-and-lipodystrophy-in-xylosyltransferase-ii-deficient-mice
#20
Pulavendran Sivasami, Nabin Poudel, Maria Cristina Munteanu, Joanna Hudson, Pamela Lovern, Lin Liu, Tim Griffin, Myron E Hinsdale
BACKGROUND/OBJECTIVES: The cellular and extracellular matrix (ECM) interactions that regulate adipose tissue homeostasis are incompletely understood. Proteoglycans (PGs) and their sulfated glycosaminoglycans (GAGs) provide spatial and temporal signals for ECM organization and interactions with resident cells by impacting growth factor and cytokine activity. Therefore, PGs and their GAGs could be significant to adipose tissue homeostasis. The purpose of this study was to determine the role of ECM sulfated GAGs in adipose tissue homeostasis...
February 18, 2019: International Journal of Obesity: Journal of the International Association for the Study of Obesity
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